noun
                                                an urge to do or say something that might be better left undone or unsaid
                                                                                                Synonyms
                                                
                                                                                                                                                                        irresistible impulse
                                                                                                                                                            
                                                
                                                                                                Examples
                                                
                                                                                                        - he felt a compulsion to babble on about the accident
 
                                                                                        
                                                noun
                                                an irrational motive for performing trivial or repetitive actions, even against your will
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - her compulsion to wash her hands repeatedly
 
                                                                                        
                                                noun
                                                using force to cause something to occur
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - though pressed into rugby under compulsion I began to enjoy the game
- they didn't have to use coercion